Daily demand for newspapers for the last 10 days has been as follows: 12,13,16,15,12,18,14,12,13,15 (listed from oldest to most recent).Forecast sales for the next day using a two-day weighted moving average where the weights are 3 and 1.
A)14.5
B)13.5
C)14
D)12.25
E)12.75

Question

Quizplus · Accepted Answer

The two-day weighted moving average is calculated as follows:(3 * Yesterday's demand) + (1 * Day before yesterday's demand) / 4Yesterday's demand = 15Day before yesterday's demand = 13(3 * 15) + (1 * 13) / 4 = 14.5Therefore, the forecast sales for the next day is 14.5.

Daily Demand for Newspapers for the Last 10 Days Has